1. Linux Operating System

2. What is Linux Linux operating system (OS) was first coded by a Finnish computer programmer called Linus Benedict Torvalds in 1991, when he was just 21!

3. Features of Linux

4. 1.Linux is a free operating system. 2.Linux comes with most of the required software pre-installed. 3.Linux never gets slow. 4.Linux can even run on oldest hardware 5.With Linux, you get the highest degree of possible customization.

5. Features of Linux 6.Security has always been the number one priority with Linux 7.There do not exist viruses for the Linux platform 8.If you already know what fragmentation is, and are already used to defragmenting your disk every month or so, here is the short version : Linux doesn't need defragmenting.

6. Features of Linux 9.Linux comes with a complete development environment, including compilers, toolkits, and scripting languages. 10.Supports multiple processors as standard. 11. True multitasking. So many apps, all at once. 12.Linux is desktop computer ready 13.Linux desktop distributions come with many commonly used pre-installed software's

7. Features of Linux 14.Governments of many countries around the world are shifting to Linux from Windows due to the many benefits it offer 15.Countries like India, France, Pakistan, Czech Reppublic, Brazil, Germany, USA, Austria, Spain, China, and Peru already use Linux

8. History of Linux 1985 Free Software Foundation (FSF) founded by Richard Stallman. Along with other programmers creates the tools needed to make a UNIX compatible OS. 1985 Professor Andy Tannenbaum creates a UNIX like operating system called Minix. 1991 Building on the concepts in Minix, Linus Torvalds (Finnish college student) develops Linux along with help from other users on the web.

9. Linux Journey 1991-2011

10. 1991: Linus Torvalds in college 22-year old Finnish computer programmer Linus Torvalds became interested in operating systems and released his own, which he called Linux (version 0.01). Opening with the message "Hello everybody out there,"

11. 1992: Making Linux free Linux is licensed under the GPL, a software license written by Richard Stallman. This decision keeps Linux legally protected but free, and will contribute largely to its coming success.

12. 1996: A marketing decision is made Torvalds goes on vacation in the southern hemisphere where he encounters a penguin. While trying to pet it, the penguin bit his hand. This led to Torvalds eventually choose to use a penguin as the Linux logo.

13. 1998: Support from the heavyweights Tech giants like Oracle and Sun begin to announce official support for versions of Linux. More and more people start to adopt the operating system.

14. 1999: It's financially viable Red Hat, a North Carolina company that maintains its own Linux distribution for enterprise users, goes public. It achieves the eighth- biggest first-day gain on Wall Street.

15. 2005: Smashing into the mainstream Torvalds appears on the cover of an issue of BusinessWeek. The magazine hails Linux as a business success

16. 2007: Spreading awareness The Linux Foundation, a non-profit organization to foster the growth of the operating system, is founded. It offers training for Linux newbies and networking opportunities for developers.

17. 2010: Major Win Android, the Linux-based operating system for smartphones, outships all other mobile OSes.